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US4478008A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermally stabilized double disc grinding machine

Assignee: Western Atlas Inc
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Filing: 1981-11-19
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Granted: 1984-10-23
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Expires: 2001-11-19
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Abstract

Abstract A double disc grinding machine comprising first and second stock removal assemblies, each including a wheelhead assembly including a base for slidably supporting the wheelhead assembly, a frame for supporting the first and second stock removal assemblies including front and rear walls, each having a vertically extending opening defined therein, a top portion above the opening and a bottom portion below the opening, one of the top portions having a tensile bolster for defining a first liquid container, the other one of the top portions also having a tensile bolster for defining a second liquid container, a reservoir including the bottom portions for defining a third liquid container, each of the containers having inlets and outlets, conduits for connecting the outlet ports of the third container to the inlet ports of the first and second containers and for connecting the outlet ports of the first and second containers and the inlet ports of the third container, the conduit including a fluid recirculating pump.

Inventors

  • 👤 Elman R. Dunn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 08:26
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/10; B24B7/16; B24B7/17; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303976

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 190 words
A double disc grinding machine comprising first and second stock removal assemblies, each including a wheelhead assembly including base means for slidably supporting said wheelhead assembly, frame means for supporting said first and second stock removal assemblies including front and rear wall means, each having a vertically extending opening defined therein, a top portion above said opening and a bottom portion below said opening, said top portion of said front wall means including a tensile bolster and said top portion of said rear wall means including a tensile bolster, means including one of said tensile bolsters for defining a first liquid container, means including said other one of said tensile bolsters for defining a second liquid container, means including said bottom portions for defining a third liquid container, each of said containers having inlet and outlet means, conduit means for connecting the outlet port means of said third container to said inlet port means of said first and second containers and for connecting said outlet port means of said first and second containers and said inlet port means of said third container, said conduit means including a fluid recirculating pump.
Claim 2
Dependent Claim 190 words
A double disc grinding machine comprising first and second stock removal assemblies, each including a wheelhead assembly including base means for slidably supporting said wheelhead assembly, frame means for supporting said first and second stock removal assemblies including front and rear wall means, each having a vertically extending opening defined therein, a top portion above said opening and a bottom portion below said opening, said top portion of said front wall means including a tensile bolster and said top portion of said rear wall means including a tensile bolster, means including one of said tensile bolsters for defining a first liquid container, means including said other one of said tensile bolsters for defining a second liquid container, means including said bottom portions for defining a third liquid container, each of said containers having inlet and outlet means, conduit means for connecting the outlet port means of said third container to said inlet port means of said first and second containers and for connecting said outlet port means of said first and second containers and said inlet port means of said third container, said conduit means including a fluid recirculating pump.
Claim 3
Dependent Claim 19 words
A double disc grinding machine according to claim 1, wherein said vertically extending opening includes an enlarged bottom portion.
Claim 4
Dependent Claim 18 words
A double disc grinding machine according to claim 2, wherein a conduit extends through said third liquid container.

References Cited (Backward Citations)

US1638028A Cited
US2070811A Cited
US2424448A Cited
US3503155A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-10-23 1988-04-23 1988-10-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-10-23 1992-04-23 1992-10-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-10-23 1996-04-23 1996-10-23 $7700.00 Window Closed / Lapsed

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